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S_A_V [24]
3 years ago
9

Compared to CH4,NH3 has:

Chemistry
1 answer:
vitfil [10]3 years ago
3 0

a) NH₃ molecules have stronger intermolecular attractions than CH₄ molecules.

Explanation:

Ammonia molecules have stronger intermolecular attractions compared to methane.

Ammonia molecules have london dispersion forces and hydrogen bonds between their molecules.

Methane molecules have only london dispersion forces in their structure.

  • hydrogen bonds are very strong attractive forces between molecules in which the hydrogen of a molecule is attracted by a more electronegative atom of another usually oxygen, nitrogen and fluorine.
  • London dispersion forces are weak forces of attraction between heteronuclear atoms.

Learn more:

Hydrogen bonds brainly.com/question/10602513

#learnwithBrainly

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The carbon bond strengths of graphite and diamonds are identical. True or False
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false :)

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Plutonium-196 has an atomic number of 78. It has ____ neutrons.
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Answer:

118 neutrons

Explanation:

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That is;

Mass no. = proton no. + neutron no.

This means that to obtain the neutron no. in the atom of an element, we subtract the no of protons or atomic mass from the mass number.

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8 0
3 years ago
Azurite, 2 CuCO3 * Cu(OH)2 is blue and malachite, CuCO3 * Cu(OH)2 is green. Which contains the higher percentage of copper? Each
blagie [28]

Answer:

Malachite green has highest percentage of copper.

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Azurite: 2CuCO_3.Cu(OH)_2

Molar mass of Azurite = M = 344.67 g/mol

Atomic mass of copper = 63.55 g/mol

Percentage of copper in Azurite :

Cu\%=\frac{3\times 63.55 g/mol}{344.67 g/mol}\times 100=55.31\%

The percentage of copper in an azurite is 55.31%.

Malachite: CuCO_3.Cu(OH)_2

Molar mass of Malachite = M = 221.12 g/mol

Atomic mass of copper = 63.55 g/mol

Percentage of copper in Malachite:

Cu\%=\frac{2\times 63.55 g/mol}{221.12 g/mol}\times 100=57.48\%

The percentage of copper in an malachite is 57.48%.

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3 years ago
What is my skeletal system made of
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